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Bird House: How to Build a Wren House

Build an attractive birdhouse that will last for a lifetime, yet only takes a few minutes to build. All you need to create a welcoming home for wrens and other small birds is a short piece of plastic fence post.

By the DIY experts of The Family Handyman Magazine

Building the house

Attract wrens and other songbirds to your yard with this durable birdhouse made from a plastic fence post. Wrens will nest in almost anything, but other birds have specific requirements for the entrance diameter and house cavity. If you’re trying to attract a particular type of bird to your yard, do a little research before you start building this rather small hangout. (Search online for “birdhouse sizes.”)

Buy a 4 x 4-in. fence post and cap kit (sold at home centers). One 6-ft. post is enough for six birdhouses. But the post comes with just one cap, so you’ll have to buy caps for all but the first birdhouse.

Cut the house cavity to length and drill the ventilation and entrance holes (Photo 1). Then cut the wood bottom and attach it (Photo 2). Fit the bottom loosely to allow for ventilation. To clean out the house each year, just remove the screws and release the bottom. Our birdhouse doesn’t include a perch. Perches are cute, but they allow predators easier access to eggs and babies.

Attach the eye hook to the top (Photo 3), then glue the top to the body with a few dabs of polyurethane glue. If you want to paint the birdhouse, use spray paint formulated for plastic, but don’t paint the inside of the house.

Hang the houses in partially shaded spots with the entrances facing away from prevailing winds and out of jumping range of cats and squirrels.

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Required Tools for this Project

Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration.

    • Clamps
    • Miter saw
    • Cordless drill
    • 4-in-1 screwdriver
    • Needle-nose pliers
    • Drill bit set
    • Hole saw kit
    • One-handed bar clamps
    • Safety glasses

Required Materials for this Project

Avoid last-minute shopping trips by having all your materials ready ahead of time. Here's a list.

    • Plastic fence post and cap kit
    • Additional caps
    • Eye hook
    • 3/4-in. x 3 1/8-in. square wood
    • 60 grit sandpaper
    • Polyurethane glue
    • Eye hook, nut and washer
    • 3/4-in. stainless steel pan head screws

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Bird House: How to Build a Wren House

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